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CHECK LIST OF  TARDIGRADE TAXA 

(download the most updated list of the tardigrade taxa)

 

TAXONOMIC KEYS

(the following articles present the most updated taxonomic keys for several tardigrade taxa)

Heterotardigrada

Arthrotardigrada

Arthrotardigrada genera: Fontoura, P., Bartels, P. J., Jørgensen, A., Kristensen, R. M., & Hansen, J. G. (2017). A dichotomous key to the genera of the Marine Heterotardigrades (Tardigrada). Zootaxa, 4294(1), 1-45.

Archechiniscidae

Archechiniscus ​species: Bartels, P. J., Fontoura, P., & Nelson, D. R. (2018). Marine tardigrades of the Bahamas with the description of two new species and updated keys to the species of Anisonyches and ArchechiniscusZootaxa4420(1), 43-70.

Batillipedidae

Batillipes species:Santos E., Rubal M., Veiga P., Rocha C. & Fontoura P. (2018). Batillipes (Tardigrada, Arthrotardigrada) from the Portuguese coast with the description of two new species and a new dichotomous key for all species. European Journal of Taxonomy, (425), 1-32.

Stygarctidae

Megastygarctides species: Ürkmez, D., Ostrowska, M., Roszkowska, M., Gawlak, M., Zawierucha, K., Kristensen, R. M., & Kaczmarek, Ł. (2018). Description of Megastygarctides sezginii sp. nov.(Tardigrada: Arthrotardigrada: Stygarctidae) from the Turkish Black Sea coast and a key to the genus Megastygarctides. Marine Biology Research, 14(1), 1-16.

Styraconyxidae

Angursa species: Fujimoto, S., & Hansen, J. G. (2019). Revision of Angursa (Arthrotardigrada: Styraconyxidae) with the description of a new species from Japan. European Journal of Taxonomy, (510).

Tanarctidae

Tanarctus species: Fujimoto, S., Miyazaki, K., & Suzuki, A. C. (2013). A new marine tardigrade, Tanarctus diplocerus (Arthrotardigrada: Halechiniscidae) from Japan. Journal of the Marine Biological Association of the United Kingdom, 93(4), 955-961.

Echiniscoidea

Echiniscoididae

Echiniscoididae: Gąsiorek, P. & Kristensen R. M. (2022). New marine heterotardigrades lineages from the tropics. The European Zoological Journal. 89:1, 719-754.

Anisonyches species: Bartels, P. J., Fontoura, P., & Nelson, D. R. (2018). Marine tardigrades of the Bahamas with the description of two new species and updated keys to the species of Anisonyches and ArchechiniscusZootaxa, 4420(1), 43-70.

Echiniscidae

Bryodelphax species: Fontoura, P., Pilato, G., & Lisi, O. (2008). Echiniscidae (Tardigrada, Heterotardigrada) from Faial and Pico Islands, the Azores, with the description of two new species. Zootaxa, 1693, 49-61.

Cornechiniscus species: Gąsiorek, P. & Michalczyk, Ł. (2020). Revised Cornechiniscus (Heterotardigrada) and new phylogenetic analyses negate echiniscid subfamilies and tribes. Royal Society Open Science, 7: 200581.

Echiniscus bigranulatus group: Michalczyk, L. & Kaczmarek, L. (2007).  Echiniscus ganczareki, a new species of Tardigrada (Heterotardigrada: Echiniscidae, bigranulatus group) from Costa Rica.  Zootaxa, 1471, 15–25.

Mopsechiniscus species: Dastych, H. (2001).  Notes on the Revision of the Genus Mopsechiniscus (Tardigrada).  Zoologisher Anzeiger, 240, 299–308.

Hypechiniscus species: Gasiorek et al. (2021). New Asian and Nearctic Hypechiniscus species (Heterotardigrada: Echiniscidae) signalize a pseudocryptic horn of plenty. Zoological Journal of the Linnean Society, 192, 794-852.

Eutardigrada

Eutardigrada genera: Pilato, G., & Binda, M. G. (2010). Definition of families, subfamilies, genera and subgenera of the Eutardigrada, and keys to their identification. Zootaxa, 2404, 1-54.

Eutardigrada genera: Nelson, D. R., Guidetti, R., & Rebecchi, L. (2015). Phylum Tardigrada. In Thorp, J. H., & Covich, A. P. (Eds.). Ecology and classification of North American freshwater invertebrates. Academic press.pp. 347-380.

Eutardigrada genera: Bingemer, J., & Hohberg, K. (2017). An illustrated identification key to the eutardigrade species (Tardigrada, Eutardigrada) presently known from European soils. Soil Organisms 89(3): 127-149.

Apochela

Milnesium species: Morek, W., Gąsiorek, P., Stec, D., Blagden, B. & Michalczyk, Ł. (2016). Experimental taxonomy exposes ontogenetic variability and elucidates the taxonomic value of claw configuration in Milnesium Doyère, 1840 (Tardigrada: Eutardigrada: Apochela). Contributions to Zoology, 85(2): 173-200.

Milnesium species of the granulatum group: Morek, W., Wałach, K.,  & Michalczyk, Ł. (2022) Rough backs: taxonomic value of epicuticular sculpturing in the genus Milnesium Doyère, 1840 (Tardigrada: Apochela), Scientific Reports 12: 9857.  https://doi.org/10.1038/s41598-022-10758-z

Parachela

Eohypsibiidae

Bertolanius species: Hansen, J. G., Kristensen, R. M., Bertolani, R., & Guidetti, R. (2017). Comparative analyses of Bertolanius species (Eohypsibiidae; Eutardigrada) with the description of Bertolanius birnae sp. nov. from northern polar regions. Polar Biology, 40(1), 123-140.

Hypsibiidae

Diphascon species of pingue group: Fontoura, P., & Pilato, G. (2007). Diphascon (Diphascon) faialense sp. nov. a new species of Tardigrada (Eutardigrada, Hypsibiidae) from Azores and a key to the species of the D. pingue group. Zootaxa, 1589(4).

Hypsibius species of the dujardini group: Gąsiorek, P., Stec, D., Morek, W., & Michalczyk, Ł. (2018). An integrative redescription of Hypsibius dujardini (Doyère, 1840), the nominal taxon for Hypsibioidea (Tardigrada: Eutardigrada). Zootaxa, 4415(1), 45-75.

Ramazzottiidae

Ramazzottius species: Biserov, V. I. (1998). Tardigrades of the Caucasus with a taxonomic analysis of the genus Ramazzottius (Parachela: Hypsibiidae). Zoologisher Anzeiger, 236(1997), 139-159.

Calohypsibiidae

Calohypsibius species: Michalczyk, L., & Kaczmarek, L. (2005). The first record of the genus Calohypsibius Thulin, 1928 (Eutardigrada: Calohypsibiidae) from Chile (South America) with a description of a new species Calohypsibius maliki. New Zealand Journal of Zoology, 32(4), 287-292.

Isohypsibioidea

Isohypsibioidea: Gąsiorek, P., Stec, D., Morek, W., & Michalczyk, Ł. (2019). Deceptive conservatism of claws: distinct phyletic lineages concealed within Isohypsibioidea (Eutardigrada) revealed by molecular and morphological evidence. Contributions to Zoology, 88(1), 78-132.

Isohypsibiidae

Doryphoribius species: Pérez-Pech, W. A., Anguas-Escalante, A. B. R. I. L., Cutz-Pool, L. Q., & Guidetti, R. (2017). Doryphoribius chetumalensis sp. nov.(Eutardigrada: Isohypsibiidae) a new tardigrade species discovered in an unusual habitat of urban areas of Mexico. Zootaxa, 4344(2), 345-356.

Pseudobiotus species: Chang, Kaczmarek, Lee, Michalczyk (2007).  Pseudobiotus spinifer, a New Tardigrade Species (Eutardigrada: Hypsibiidae) from Nakdong River, South Korea, with a Redescription of P. vladimiri Biserov, Dudichev & Biserova.  Zoological Science 24: 623–629.

Thulinius species: Kaczmarek, Bertolani, Nedzynska-Stygar (2010).  Thulinius saltursus comb. nov.: a new systematic position for Isohypsibius  saltursus Schuster, Toftner & Grigarick, 1978 (Eutardigrada: Hypsibiidae) and a key for the genus ThuliniusZootaxa 2483: 58–64.

Macrobiotidae

Calcarobiotus species: Kaczmarek, Ł., Michalczyk, Ł., & Guidetti, R. (2006). Description of the new species Calcarobiotus (C.) longinoi sp. nov.(Eutardigrada, Macrobiotidae) from Costa Rica with the diagnostic key to the genus CalcarobiotusItalian Journal of Zoology, 73(3), 247-253.

Macrobiotus species of hufelandi group: Kaczmarek, Ł., & Michalczyk, Ł. (2017). The Macrobiotus hufelandi group (Tardigrada) revisited. Zootaxa, 4363(1), 101.

Macrobiotus species of pseudohufelandi complex / Xerobiotus species: Vecchi et al. 2022. Macrobiotus naginae sp. nov., a new xerophilous tardigrade species from Rokua Sand Dunes (Finland). Zoological Studies 61:22. https://doi:10.6620/ZS.2022.61-22

Mesobiotus species. Tumanov D. (2020). Integrative description of Mesobiotus anastasiae sp. nov. (Eutardigrada, Macrobiotoidea) and first record of Lobohalacarus (Chelicerata, Trombidiformes) from the Republic of South Africa. European Journal of Taxonomy 726: 102–131. https://doi.org/10.5852/ejt.2020.726.1179.

Minibiotus species: Claxton, S. K. (1998). A revision of the genus Minibiotus (Tardigrada: Macrobiotidae) with descriptions of eleven new species from Australia. Records-Australian Museum, 50: 125-160.

Minibiotus species of sidereus group: Dueñas-Cedillo et al (2021). Species-Specific Cuticular Phenotypes in Eutardigrada: A Morphometric Approach to Analyze the Variation of Star-Shaped Pores in Minibiotus Species. Diversity, 13, 307.

Paramacrobiotus speces: Kaczmarek, Ł., Gawlak, M., Bartels, P. J., Nelson, D. R., & Roszkowska, M (2017). Revision of the genus Paramacrobiotus Guidetti et al., 2009 with the description of a new species, re-descriptions and a key. Annales Zoologici 67(4): 627-656.

Murrayidae

Murrayon species: Guidetti, R. (1998). Two new species of Macrobiotidae (Tardigrada: Eutardigrada) from the United States of America, and some taxonomic considerations of the genus Murrayon. Proceeding of the Biological Society of Washington, 111, 663-673.

Dactylobiotus species Kaczmarek, Ł., Schabetsberger, R., Litwin, M., & Michalczyk, Ł. (2012). A new freshwater eutardigrade from Fiji and Vanuatu (Oceania), with remarks on the genus Dactylobiotus. New Zealand Journal of Zoology39(4), 311-318.

 

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